<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>注册</title>
    <link rel="stylesheet" href="css/common.css">
    <link rel="stylesheet" href="css/login.css">
</head>
<body>
<!-- 导航栏 -->
<div class="nav">
    网页聊天
</div>
<!-- 主窗口区 -->
<div class="login-container">
    <div class="login-dialog">
        <h3>注册</h3>
        <div class="row">
            <span>用户名</span>
            <input type="text" id="username">
        </div>
        <div class="row">
            <span>密码</span>
            <input type="password" id="password">
        </div>
        <div class="row">
            <button id="submit">注册</button>
        </div>
    </div>
</div>

<!-- 引入 jquery -->
<!--<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>-->
<script src="js/jquery.min.js"></script>
<!-- 实现前后端交互 -->
<script>
    let submitButton = document.querySelector("#submit");
    submitButton.onclick = function(){
        let username = document.querySelector("#username").value;
        let password = document.querySelector("#password").value;
        if(username=='' || password==''){
            alert("用户名或密码有误!");
            return;
        }
        $.ajax({
            url:'/register',
            type:'post',
            data:{
                username :username,
                password:password
            },
            success:function(result){
                if(result && result.userId>0){
                    alert("注册成功!");
                    location.href= "login.html";
                }else{
                    alert("注册失败!");
                    return;
                }
            }
        });
    }

</script>
</body>
</html>